OVH Cloud Storage Api Error

gistfile1.txt

This is my PHP Code:
=================================================================
<?php
require 'vendor/autoload.php';
use OpenCloud\OpenStack;

//https://storage.bhs1.cloud.ovh.net/v1/AUTH_ad412206eda94f58a291ba2706b8c3cf/gifpik
//ad412206eda94f58a291ba2706b8c3cf

$client = new OpenStack('https://auth.cloud.ovh.net/v2.0', array(
    'username' => '[email protected]', // this is replaced with  my login username in real code
    'password' => 'xxx', // this is replaced with password in real code 
    'tenantId' => 'ad412206eda94f58a291ba2706b8c3cf',
));

$service = $client->objectStoreService('swift', 'BHS1');
$container = $service->getContainer('gifpik');
==================================================================
This is Error stack:

PHP Fatal error:  Uncaught Guzzle\Http\Exception\ClientErrorResponseException: Client error response
[status code] 401
[reason phrase] Unauthorized
[url] https://auth.cloud.ovh.net/v2.0/tokens in /srv/http/sites/tools/vendor/guzzle/guzzle/src/Guzzle/Http/Exception/BadResponseException.php:43
Stack trace:
#0 /srv/http/sites/tools/vendor/guzzle/guzzle/src/Guzzle/Http/Message/Request.php(145): Guzzle\Http\Exception\BadResponseException::factory(Object(Guzzle\Http\Message\EntityEnclosingRequest), Object(Guzzle\Http\Message\Response))
#1 [internal function]: Guzzle\Http\Message\Request::onRequestError(Object(Guzzle\Common\Event), 'request.error', Object(Symfony\Component\EventDispatcher\EventDispatcher))
#2 /srv/http/sites/tools/vendor/symfony/event-dispatcher/EventDispatcher.php(184): call_user_func(Array, Object(Guzzle\Common\Event), 'request.error', Object(Symfony\Component\EventDispatcher\EventDispatcher))
#3 /srv/http/sites/tools/vendor/symfony/event-dispatcher/EventDispatcher.php(46): Symfony\Component\EventDispatcher\EventDi in /srv/http/sites/tools/vendor/guzzle/guzzle/src/Guzzle/Http/Exception/BadResponseException.php on line 43